Ubuntu Security :: What Is Good IP Filter / Firewall Program?
Jun 10, 2010
What is a good IP filter/firewall program? Seeing as how I like free softwares, I download a lot of torrents. When I was using Windows, I used PeerBlock (the newer fork of PeerGuardian), however, it's not available for Linux. What would be a good alternative for this in Linux? I tried iplist as it has a GUI, and it was extremely buggy and blocked random web pages even after I put them on the exceptions list. And MoBlock has no GUI from I understand, nor has it been updated in years.
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Aug 13, 2010
I am new to the Ubuntu/Linix world (less than a week).
I have tried the search, but have had difficulty finding threads on this.
Can someone recommend an excellent firewall to use with Ubuntu?
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Oct 2, 2010
I'm looking for a good hardware firewall that will run on an older pc (ie 512 MB RAM and 1GHZ CPU) FOSS is preferable, but not required. I've tried Astaro, but it refuses to load after a restart. I'm hoping for AV as I support Windoze clients, and a VPN. Past that, I can deal with anything.
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Jul 25, 2010
I wanted to know if there was a firewall program out there that can open specific ports when a program/process is run and disable the ports again when the program is closed.
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Feb 28, 2011
I tried to ask this question in the other thread but the admin was saying to me that my other thread here [URL]..( it was not very much the subject of the thread ) People that use Unix,Mac OSX or any Linux OS all none windows do you need anti-virus program like Norton or Kaspersky? And same with firewall like ZoneAlarm and Comodo ?
Some people say you do not need a anti-virus program like Norton or Kaspersky or any firewall.Other people say you do and some say that Unix and Mac OSX have built in firewall.
And if on uses windows use ZoneAlarm or Comodo has it does alot more than windows firewall and router firewall. Note the admin saying the other thread was why windows get more malware and not very much the subject of the thread to post there.
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May 5, 2010
Is a firewall necessary on ubuntu? I've never thought about it until now. Do I need one? If so whats a good firewall to install? As you can tell im not too knowledgeable on this subject. I know (i think) linux has a built in firewall called iptables but ive never used it or looked into it.
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Apr 23, 2011
im looking for a good firewall application.
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Apr 5, 2011
I am running squeeze 6 on amd64 i like to know if there is guide how to setup a good firewall for dummies like me
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May 2, 2011
I was just wondering if anyone uses 'Firestarter' firewall, and what you think of it?
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May 9, 2011
Can we use iptables as firewall instead of Juniper firewall
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Jan 17, 2011
1. I understand you can protect your files or directories in your website by setting file/directory permissions. The meaning of r w x is clear to me, but I'm not sure how to proceed... Starting with the index.html file, if I wanted to make it so that anyone in the world can read it but can't modify it, do I set its permissions to rwxr-xr-x? If I set it to rwxr--r--, would that mean the file couldn't be served? I mean, what does the x setting do on a .html file, how can a .html file be executable?
2. If file permissions work on the lines of owner-group-others, in the context of a website, who is 'group'? As far as I can tell, there's only the owner, which is me, and others, which is the world accessing the site. Am I correct in thinking that by default, say when creating a website on a shared hosting server, there is no group unless I specifically set one up?
3. My ISP allows the DynDNS.org service, meaning that I could serve a website from my home. It's too early to go that route just yet, but for future reference, I would like to ask about the server software called Hiawatha. It is said to be secure, but having read some evaluations of it, it doesn't seem to offer anything that couldn't be accomplished with Apache or Cherokee, it's just that its security settings are simpler and easier to configure. Am I right about this? Or does Hiawatha truly offer something that the other major server packages don't?
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Feb 4, 2010
Please what will it take me to write a perl full functioning program to filter emails for specific rules? Will that be possible? The actual thing am trying to get is to write a perl program and attach to a mail server so that, when the mails come in, the perl script get call and then the perl program will let another external program that is not on the server run and check or filter the mails.
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Aug 6, 2010
We have approximately 100 retail locations that will have split vpn tunneling. Intranet traffic will flow over the vpn to the corporate headquarters, voip traffic will tunnel to a regional hub and internet bound traffic will go over the local isp. The retail locations are small with 1-8 users and no enterprise grade equipment (servers, etc). This setup in effect will render our current content filtering solution useless.
The locations will be equipped with Cisco ASA 5505 Firewalls. The original plan was to use a Websense server and the url filtering feature to act as a content filter. I just found out that pricing for Websense was not included in the budget will be a show stopper.There may also be some performance issues with this method. Putting a proxy server at each location is not really an option. We do not have the resources to place a server at each location, plus the users could simply unplug an inline device or go around it. There is minimal supervision at most of these locations.
Ideally, I would like to find a way to use something like Dansguardian with an ldap interface and the url filtering feature of the ASA firewalls. I found a program called n2h2p, but I can find 0 documentation for it. It is also 2 years old with no updates. I also need to be able totrally manage this as trying to keep up with 100 different configurations for 400 users would be virtually impossible for the amount of time I will have available
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Jul 10, 2011
Does anyone know the iptables statement that will block inbound SMTP messages that are NOT S/MIME encrypted?
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Apr 28, 2011
I have open ports on my computer for vsftpd, pptpd, and I need help to filter this ports because they aper as open ports on internet, and this is pretty risky
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Jan 24, 2011
We operate a small ISP and are currently using a debian distro as our gateway server.Recently we have had an increased number of spam issues with customers (not them sending it directly, rather the customer getting infected with a virus/malware and then their computer becoming a bot).I'd like to set up another gateway of sorts to sit after our authentication gateway but before our backbone to provide spam filtering (and hopefully virus filtering) for any traffic passing through which might be email.I've tried searching for any linux based software which would suit, but I'm coming up empty.
Surely there's something already out there which can perform this task.Finally, just to clarify, I'm not talking about spam filtering for email accounts we host ourselves (this is built into our mail server); I'm talking about spam originating from customers PC's which is passing through our gateway (but not our mail server).
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Mar 11, 2010
Anyone know of a good ftp program or best way to do this on ubuntu 9.10?
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Jul 16, 2010
Ok, Noobe to Ubuntu, recently installed Lucid, did all the updates, Got my UT 99 loaded and working natively with TeamSpeak 3 (yea, even the sound works now) ... I really like the setup I have now. Can some one recommend a good backup program to use that will "completely" backup my current system "as installed"? I have installed "Back in Time", and it seems really easy to use, but I'm looking for something similar to (sorry have to say it "Windows System Restore").
I've tweaked and tweaked, updated my ALSA drivers, working openAL and got the latest ATI driver installed for my ATI 5770 ... even got a Xfi linux beta working from Creative (that was fun).. Something user friendly too, I'm learning, but still very new to Linux/commandline/Ubuntu.
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Sep 1, 2011
Best one I've found so far is Glom, but it's extremely hard to use, anyone know of one better?
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Jan 22, 2009
I am running Ubuntu 8.04 and 8.10. I want a good GUI encryption/decryption program.
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Sep 23, 2010
I have a Suse11 box with 2 network cards:
I have squid as a proxy on the Suse box, and with the default firewall I have to enable masquerading to allow clients on the eth3:1-3 to send and receive mail through the Suse box. I found the Suse firewall completely inadequate (all P2P software/connections are allowed once you enable masquerading) and had to install ConfigServer Security & Firewall. In die configuration of csf I could get my way around getting smtp to work for the eth3:1-3 clients, but pop3 connections does not go through the box. I know I need to allow port 110 and 995 to masquerade of NAT (or something) and then the same for port 22
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Apr 12, 2010
I have been assigned a task to implement a free open source content filter having feature of web, email, instant messaging etc. If any one has the information or worked on this type of product please share it.
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May 19, 2010
How to filter condition based on full hostname? ie. allow inbound packets to port 25 if the packet comes from [URl]..
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Aug 26, 2010
so how can I locate a printer behind a firewall? Is it possible to enumerate the subnet behind a router ( even if a connection has not been marked)?
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Apr 23, 2010
What is a Good Lightscribe Labeling Program for Ubuntu 9.04 64-bit? I installed LIGHTSCRIBE SIMPLE LABELER but it's the biggest piece of crap program, you can't even set the Font Size, all it allows you to do is set the Font. I'm not a Linux Expert so I need a program that is easy to install and does not require compiling or complex manual installation with multiple command line text commands (unless I can cut and paste). I'm still confused by the complex Linux directory structure I have no idea where or what my home directory is or how to get to it from a terminal window / command line prompt.
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Jul 30, 2010
I am looking for remote desktop software that will allow me to not only view this particular desktop from miles away but send files back and fourth between the two computers. any ideas?
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Mar 8, 2010
I have a batch job which logs in to the server every 10 minutes via windows rsh. The job checks to see is there are any files that need to be send via a EDI serverto a supplier.The following logwatch report is swamped with the login messages and would like to either suppress the logging in PAM? or suppress the entry in the logwatch report?But I still want logging id the username is not username1.Connections (secure-log) Begin rshd[1754]: pam_rhosts_auth(rsh:auth): allowed to username1@10.0.0.1 as myedi
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Jan 14, 2010
What program is good to install to partition my PC after installation (I installed without a partition). Also, any quick tips in partitioning? Lastly, I have an old Ubuntu installed together w/XP on another PC. I want to install Xubuntu to replace the old Ubuntu, using the same partition. Is that possible?
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Mar 21, 2010
Anyone know any good word programs with a good grammar checker? i tried language tool with OOo but it is still buggy lags to find grammar, and unless the sentence is quite simple, it misses alot. tried lightproof too, it has yet to find any error, even in hyphenation which is what it is specifically meant to do. This would be nice to have so I can ween myself entirely off windows.
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Jul 10, 2011
yeah buddy this kubuntu linux rocks socks, only issue is i can not find a good video creator program,could someone I would like to make a video of some pictures i have.
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